Conflicts:
- `app/controllers/application_controller.rb`:
Upstream added an experimental color and contrast theme control.
Conflicts because of glitch-soc's different theming system.
Adapted upstream's changes.
- `app/views/layouts/application.html.haml`:
Upstream added an experimental color and contrast theme control.
Conflicts because of glitch-soc's different theming system.
Adapted upstream's changes.
- `app/views/settings/preferences/appearance/show.html.haml`:
Upstream added an experimental color and contrast theme control.
Conflicts because of glitch-soc's different theming system.
Adapted upstream's changes.